SanDisk Software and USB Flash Drives : SanDisk Corporation announces that it is offering encryption and online backup features across its entire retail USB portfolio. SanDisk Secure Access software protects files against unauthorized access by creating an encrypted, password-protected folder or “vault” on the USB drive. The software also includes up to 2 gigabytes (GB) of secure online backup storage offered by Dmailer. SanDisk is also expanding its USB product portfolio with two new drives to meet the needs of a broad set of customers. The SanDisk Ultra USB flash drive features faster transfer rates and the SanDisk Cruzer Edge USB drive offers easy portability.